Diagnostic test
Ignition coil test (only Bear tester)
only for single-, two-circuit ignition system
Perform ignition coil test only at idle speed. Program selection "Engine electrics ignition coil test"
In addition, the ignition coil should be tested on the oscilloscope image in Test and adjustment data, see Register A.
the single image display, see pages 47 /7 and 47 /8.
Diagnostic test
Ignition coil test (only Bear tester)
only for single-, two-circuit ignition system
Oil temperature 80 °C Voltage terminals 15 and 1 Set/actual value comparison Test programs
Ignition
Engine speed 766/min Dwell angle and of test and adjustment data Engine Volume 2
Battery voltage 13.8 V ignition coil (Register A)
Voltage terminal 15 13.3 V Oscilloscope images
Voltage terminal 1 1.5 V Combustion time/cylinder
Primary resistance 0.44 Secondary voltage
ohm Actual values within tolerance
Terminal 15 line resistance 0.01
ohm
max. primary current 7.5 A yes no
max. ignition voltage 28 kV
Fault in order
yes no
End of test Fault-related diagnosis
paths
(Register D)
Note
The figures are examples of a 4-cylinder engine and are not intended for direct
comparison.
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